Jewelry chain



FIG. 1 is a front elevational view of a jewelry chain showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a rear elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a left end elevational view; and

FIG. 6 is a right end elevational view. 

The ornamental design for a jewelry chain, as shown and described. 